organic compounds
4-Methyl-1-(4-methylbenzylidene)thiosemicarbazide
aMicroscale Science Institute, Department of Chemistry and Chemical Engineering, Weifang University, Weifang 261061, People's Republic of China
*Correspondence e-mail: liyufeng8111@163.com
The title compound, C10H13N3S, prepared by the reaction of 4-methylbenzaldehyde and 4-methylthiosemicarbazide, is approximately planar (r.m.s. deviation for the non-H atoms = 0.032 Å). Its conformation is stabilized by an intramolecular N—H⋯N hydrogen bond, generating an S(5) ring. In the crystal, inversion dimers linked by pairs of N—H⋯S hydrogen bonds occur. Further weak N—H⋯S links connect the dimers into (100) sheets.
Experimental
Crystal data
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Data collection
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Refinement
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Data collection: SMART (Bruker, 1997); cell SAINT (Bruker, 1997); data reduction: SAINT; program(s) used to solve structure: SHELXS97 (Sheldrick, 2008); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008); molecular graphics: SHELXTL (Sheldrick, 2008); software used to prepare material for publication: SHELXTL.
Supporting information
https://doi.org/10.1107/S1600536810040663/hb5666sup1.cif
contains datablocks global, I. DOI:Structure factors: contains datablock I. DOI: https://doi.org/10.1107/S1600536810040663/hb5666Isup2.hkl
A mixture of the 4-methylbenzaldehyde (0.10 mol) and 4-methylthiosemicarbazide (0.10 mol) was stirred in refluxing ethanol (10 mL) for 4 h to afford the title compound (0.078 mol, yield 78%). Colourless bars of (I) were obtained by recrystallization from ethanol at room temperature.
H atoms were fixed geometrically and allowed to ride on their attached atoms, with C—H distances = 0.93–0.97 Å; N—H = 0.86Å and with Uiso(H) = 1.2Ueq(C,N) or 1.5Ueq(Cmethyl).
Data collection: SMART (Bruker, 1997); cell
SAINT (Bruker, 1997); data reduction: SAINT (Bruker, 1997); program(s) used to solve structure: SHELXS97 (Sheldrick, 2008); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008); molecular graphics: SHELXTL (Sheldrick, 2008); software used to prepare material for publication: SHELXTL (Sheldrick, 2008).C10H13N3S | F(000) = 440 |
Mr = 207.29 | Dx = 1.211 Mg m−3 |
Monoclinic, P21/c | Mo Kα radiation, λ = 0.71073 Å |
Hall symbol: -P 2ybc | Cell parameters from 1840 reflections |
a = 9.1139 (18) Å | θ = 3.3–25.2° |
b = 13.689 (3) Å | µ = 0.25 mm−1 |
c = 9.1195 (18) Å | T = 293 K |
β = 91.92 (3)° | Bar, colorless |
V = 1137.1 (4) Å3 | 0.25 × 0.23 × 0.20 mm |
Z = 4 |
Bruker SMART CCD diffractometer | 1739 reflections with I > 2σ(I) |
Radiation source: fine-focus sealed tube | Rint = 0.030 |
Graphite monochromator | θmax = 27.5°, θmin = 3.5° |
phi and ω scans | h = −11→11 |
10620 measured reflections | k = −16→17 |
2585 independent reflections | l = −11→11 |
Refinement on F2 | Primary atom site location: structure-invariant direct methods |
Least-squares matrix: full | Secondary atom site location: difference Fourier map |
R[F2 > 2σ(F2)] = 0.044 | Hydrogen site location: inferred from neighbouring sites |
wR(F2) = 0.146 | H-atom parameters constrained |
S = 1.14 | w = 1/[σ2(Fo2) + (0.0782P)2 + 0.0376P] where P = (Fo2 + 2Fc2)/3 |
2585 reflections | (Δ/σ)max = 0.001 |
127 parameters | Δρmax = 0.28 e Å−3 |
0 restraints | Δρmin = −0.19 e Å−3 |
C10H13N3S | V = 1137.1 (4) Å3 |
Mr = 207.29 | Z = 4 |
Monoclinic, P21/c | Mo Kα radiation |
a = 9.1139 (18) Å | µ = 0.25 mm−1 |
b = 13.689 (3) Å | T = 293 K |
c = 9.1195 (18) Å | 0.25 × 0.23 × 0.20 mm |
β = 91.92 (3)° |
Bruker SMART CCD diffractometer | 1739 reflections with I > 2σ(I) |
10620 measured reflections | Rint = 0.030 |
2585 independent reflections |
R[F2 > 2σ(F2)] = 0.044 | 0 restraints |
wR(F2) = 0.146 | H-atom parameters constrained |
S = 1.14 | Δρmax = 0.28 e Å−3 |
2585 reflections | Δρmin = −0.19 e Å−3 |
127 parameters |
Geometry. All e.s.d.'s (except the e.s.d. in the dihedral angle between two l.s. planes) are estimated using the full covariance matrix. The cell e.s.d.'s are taken into account individually in the estimation of e.s.d.'s in distances, angles and torsion angles; correlations between e.s.d.'s in cell parameters are only used when they are defined by crystal symmetry. An approximate (isotropic) treatment of cell e.s.d.'s is used for estimating e.s.d.'s involving l.s. planes. |
Refinement. Refinement of F2 against ALL reflections. The weighted R-factor wR and goodness of fit S are based on F2, conventional R-factors R are based on F, with F set to zero for negative F2. The threshold expression of F2 > σ(F2) is used only for calculating R-factors(gt) etc. and is not relevant to the choice of reflections for refinement. R-factors based on F2 are statistically about twice as large as those based on F, and R- factors based on ALL data will be even larger. |
x | y | z | Uiso*/Ueq | ||
S1 | 0.32325 (7) | 0.10479 (4) | 1.03876 (5) | 0.0635 (2) | |
N3 | 0.52576 (18) | 0.10902 (11) | 0.66835 (16) | 0.0500 (4) | |
N2 | 0.48287 (19) | 0.08528 (11) | 0.80716 (16) | 0.0546 (4) | |
H2A | 0.5276 | 0.0396 | 0.8555 | 0.065* | |
N1 | 0.30549 (18) | 0.20245 (12) | 0.78748 (16) | 0.0577 (4) | |
H1A | 0.3375 | 0.2139 | 0.7015 | 0.069* | |
C2 | 0.3712 (2) | 0.13330 (14) | 0.86754 (17) | 0.0480 (4) | |
C4 | 0.6920 (2) | 0.08023 (14) | 0.47593 (18) | 0.0484 (4) | |
C7 | 0.8095 (2) | 0.11507 (15) | 0.1996 (2) | 0.0549 (5) | |
C3 | 0.6335 (2) | 0.06052 (14) | 0.6196 (2) | 0.0536 (5) | |
H3B | 0.6757 | 0.0113 | 0.6774 | 0.064* | |
C9 | 0.6309 (2) | 0.14953 (15) | 0.3821 (2) | 0.0603 (5) | |
H9A | 0.5496 | 0.1851 | 0.4103 | 0.072* | |
C5 | 0.8110 (2) | 0.02762 (16) | 0.4281 (2) | 0.0612 (5) | |
H5A | 0.8527 | −0.0204 | 0.4883 | 0.073* | |
C6 | 0.8688 (2) | 0.04527 (18) | 0.2926 (2) | 0.0656 (6) | |
H6A | 0.9493 | 0.0093 | 0.2636 | 0.079* | |
C8 | 0.6893 (3) | 0.16642 (16) | 0.2469 (2) | 0.0640 (6) | |
H8A | 0.6467 | 0.2137 | 0.1859 | 0.077* | |
C10 | 0.8716 (3) | 0.1343 (2) | 0.0510 (2) | 0.0766 (7) | |
H10A | 0.9542 | 0.0921 | 0.0370 | 0.115* | |
H10B | 0.9026 | 0.2012 | 0.0454 | 0.115* | |
H10C | 0.7976 | 0.1217 | −0.0240 | 0.115* | |
C1 | 0.1832 (3) | 0.2597 (2) | 0.8363 (3) | 0.0953 (10) | |
H1B | 0.1537 | 0.3053 | 0.7611 | 0.143* | |
H1C | 0.2121 | 0.2946 | 0.9239 | 0.143* | |
H1D | 0.1026 | 0.2171 | 0.8564 | 0.143* |
U11 | U22 | U33 | U12 | U13 | U23 | |
S1 | 0.0813 (4) | 0.0682 (4) | 0.0421 (3) | 0.0139 (3) | 0.0186 (2) | 0.00603 (19) |
N3 | 0.0541 (10) | 0.0515 (9) | 0.0452 (8) | −0.0020 (7) | 0.0137 (7) | 0.0010 (6) |
N2 | 0.0613 (11) | 0.0587 (9) | 0.0444 (8) | 0.0068 (8) | 0.0135 (7) | 0.0048 (6) |
N1 | 0.0608 (11) | 0.0644 (10) | 0.0491 (8) | 0.0117 (8) | 0.0193 (7) | 0.0127 (7) |
C2 | 0.0525 (11) | 0.0490 (10) | 0.0430 (9) | −0.0033 (8) | 0.0081 (7) | −0.0011 (7) |
C4 | 0.0456 (11) | 0.0519 (10) | 0.0481 (10) | −0.0013 (8) | 0.0075 (7) | −0.0004 (7) |
C7 | 0.0503 (12) | 0.0649 (12) | 0.0501 (10) | −0.0083 (9) | 0.0095 (8) | 0.0013 (8) |
C3 | 0.0548 (12) | 0.0547 (11) | 0.0517 (10) | 0.0023 (9) | 0.0086 (8) | 0.0040 (8) |
C9 | 0.0606 (14) | 0.0608 (13) | 0.0605 (12) | 0.0157 (10) | 0.0146 (9) | 0.0079 (9) |
C5 | 0.0540 (13) | 0.0715 (13) | 0.0586 (11) | 0.0135 (10) | 0.0102 (8) | 0.0107 (9) |
C6 | 0.0510 (13) | 0.0826 (15) | 0.0644 (12) | 0.0124 (10) | 0.0180 (9) | 0.0041 (10) |
C8 | 0.0682 (15) | 0.0639 (13) | 0.0603 (11) | 0.0094 (10) | 0.0104 (9) | 0.0147 (9) |
C10 | 0.0778 (17) | 0.0945 (17) | 0.0587 (13) | −0.0095 (14) | 0.0226 (11) | 0.0069 (11) |
C1 | 0.096 (2) | 0.108 (2) | 0.0849 (16) | 0.0483 (16) | 0.0451 (14) | 0.0415 (14) |
S1—C2 | 1.6813 (17) | C3—H3B | 0.9300 |
N3—C3 | 1.277 (2) | C9—C8 | 1.378 (3) |
N3—N2 | 1.376 (2) | C9—H9A | 0.9300 |
N2—C2 | 1.345 (2) | C5—C6 | 1.381 (3) |
N2—H2A | 0.8600 | C5—H5A | 0.9300 |
N1—C2 | 1.326 (2) | C6—H6A | 0.9300 |
N1—C1 | 1.444 (3) | C8—H8A | 0.9300 |
N1—H1A | 0.8600 | C10—H10A | 0.9600 |
C4—C9 | 1.382 (3) | C10—H10B | 0.9600 |
C4—C5 | 1.385 (3) | C10—H10C | 0.9600 |
C4—C3 | 1.456 (2) | C1—H1B | 0.9600 |
C7—C6 | 1.376 (3) | C1—H1C | 0.9600 |
C7—C8 | 1.383 (3) | C1—H1D | 0.9600 |
C7—C10 | 1.509 (2) | ||
C3—N3—N2 | 116.28 (16) | C6—C5—C4 | 121.15 (18) |
C2—N2—N3 | 120.22 (16) | C6—C5—H5A | 119.4 |
C2—N2—H2A | 119.9 | C4—C5—H5A | 119.4 |
N3—N2—H2A | 119.9 | C7—C6—C5 | 121.32 (19) |
C2—N1—C1 | 123.79 (16) | C7—C6—H6A | 119.3 |
C2—N1—H1A | 118.1 | C5—C6—H6A | 119.3 |
C1—N1—H1A | 118.1 | C9—C8—C7 | 121.85 (19) |
N1—C2—N2 | 117.22 (15) | C9—C8—H8A | 119.1 |
N1—C2—S1 | 123.41 (14) | C7—C8—H8A | 119.1 |
N2—C2—S1 | 119.37 (14) | C7—C10—H10A | 109.5 |
C9—C4—C5 | 117.71 (17) | C7—C10—H10B | 109.5 |
C9—C4—C3 | 122.18 (17) | H10A—C10—H10B | 109.5 |
C5—C4—C3 | 120.09 (17) | C7—C10—H10C | 109.5 |
C6—C7—C8 | 117.33 (18) | H10A—C10—H10C | 109.5 |
C6—C7—C10 | 121.6 (2) | H10B—C10—H10C | 109.5 |
C8—C7—C10 | 121.1 (2) | N1—C1—H1B | 109.5 |
N3—C3—C4 | 121.71 (18) | N1—C1—H1C | 109.5 |
N3—C3—H3B | 119.1 | H1B—C1—H1C | 109.5 |
C4—C3—H3B | 119.1 | N1—C1—H1D | 109.5 |
C8—C9—C4 | 120.63 (18) | H1B—C1—H1D | 109.5 |
C8—C9—H9A | 119.7 | H1C—C1—H1D | 109.5 |
C4—C9—H9A | 119.7 |
D—H···A | D—H | H···A | D···A | D—H···A |
N1—H1A···N3 | 0.86 | 2.27 | 2.644 (2) | 107 |
N1—H1A···S1i | 0.86 | 2.89 | 3.4869 (16) | 128 |
N2—H2A···S1ii | 0.86 | 2.57 | 3.4205 (18) | 171 |
Symmetry codes: (i) x, −y+1/2, z−1/2; (ii) −x+1, −y, −z+2. |
Experimental details
Crystal data | |
Chemical formula | C10H13N3S |
Mr | 207.29 |
Crystal system, space group | Monoclinic, P21/c |
Temperature (K) | 293 |
a, b, c (Å) | 9.1139 (18), 13.689 (3), 9.1195 (18) |
β (°) | 91.92 (3) |
V (Å3) | 1137.1 (4) |
Z | 4 |
Radiation type | Mo Kα |
µ (mm−1) | 0.25 |
Crystal size (mm) | 0.25 × 0.23 × 0.20 |
Data collection | |
Diffractometer | Bruker SMART CCD |
Absorption correction | – |
No. of measured, independent and observed [I > 2σ(I)] reflections | 10620, 2585, 1739 |
Rint | 0.030 |
(sin θ/λ)max (Å−1) | 0.649 |
Refinement | |
R[F2 > 2σ(F2)], wR(F2), S | 0.044, 0.146, 1.14 |
No. of reflections | 2585 |
No. of parameters | 127 |
H-atom treatment | H-atom parameters constrained |
Δρmax, Δρmin (e Å−3) | 0.28, −0.19 |
Computer programs: SMART (Bruker, 1997), SAINT (Bruker, 1997), SHELXS97 (Sheldrick, 2008), SHELXL97 (Sheldrick, 2008), SHELXTL (Sheldrick, 2008).
D—H···A | D—H | H···A | D···A | D—H···A |
N1—H1A···N3 | 0.86 | 2.27 | 2.644 (2) | 107 |
N1—H1A···S1i | 0.86 | 2.89 | 3.4869 (16) | 128 |
N2—H2A···S1ii | 0.86 | 2.57 | 3.4205 (18) | 171 |
Symmetry codes: (i) x, −y+1/2, z−1/2; (ii) −x+1, −y, −z+2. |
References
Bruker (1997). SMART and SAINT. Bruker AXS, Inc., Madison, Wisconsin, USA. Google Scholar
Li, Y.-F. & Jian, F.-F. (2010). Acta Cryst. E66, o1397. Web of Science CSD CrossRef IUCr Journals Google Scholar
Li, Y.-F., Liu, H.-X. & Jian, F.-F. (2009). Acta Cryst. E65, o2959. Web of Science CSD CrossRef IUCr Journals Google Scholar
Sheldrick, G. M. (2008). Acta Cryst. A64, 112–122. Web of Science CrossRef CAS IUCr Journals Google Scholar
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